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https://www.readbyqxmd.com/read/28273211/spirometry-reference-values-in-the-brazilian-population
#1
R Rufino, C H Costa, A J Lopes, A I Maiworm, K Maynard, L M R A Silva, R M Dias
The aim of the present study was to provide new spirometry reference equations in a sample of the Brazilian population for the following parameters: forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), FEV1/FVC ratio, peak of expiratory flow (PEF), forced expiratory flow at 50% (FEF50%), 75% average vital capacity (FEF25-75%), and average forced expiratory flow time (FEFT). This was a prospective study using results from chest radiographs, electrocardiograms, and questionnaires to investigate the participants' respiratory symptoms, sedentarism, and comorbidities (Charlson comorbidity index)...
March 2, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28269105/changes-in-inhaler-inhalation-acoustic-features-during-induced-bronchoconstriction-a-pilot-study
#2
Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello, Richard B Reilly
Asthma is a chronic respiratory disease affecting millions of people worldwide, and is consequently a major issue for global health. Exacerbations are acute events involving the worsening of asthma's primary respiratory symptoms and are a major cause of morbidity in asthma patients, largely due to the unpredictability of their onset. This study aimed to investigate the relationship between changes in acoustic features of inhaler inhalations and changes in forced expiratory volume in one second (FEV1) that occur during a simulated exacerbation, a bronchial challenge test (BCT)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265153/comparison-of-differences-in-respiratory-function-and-pressure-as-a-predominant-abnormal-movement-of-children-with-cerebral-palsy
#3
Hae-Yeon Kwon
[Purpose] The purpose of this study was to determine differences in respiratory function and pressure among three groups of children with cerebral palsy as a predominant abnormal movement which included spastic type, dyskinetic type, and ataxic type. [Subjects and Methods] Forty-three children with cerebral palsy of 5-13 years of age in I-III levels according to the Gross Motor Function Classification System, the study subjects were divided by stratified random sampling into three groups of spastic type, dyskinetic type, and ataxic type...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28264672/reference-equations-for-spirometric-indices-from-a-sample-of-the-general-adult-population-in-nigeria
#4
Ademola Emmanuel Fawibe, Louis O Odeigah, Mohammed J Saka
BACKGROUND: The increasing importance of pulmonary function testing in diagnosing and managing lung diseases and assessing improvement has necessitated the need for locally derived reference equations from a sample of the general Nigerian population. METHODS: It was a cross sectional study in which we used linear regression models to obtain equations for reference values and lower limits of normal for spirometric indices in adult Nigerians from a sample of the general population aged 18-65 years (males) and 18-63 years (females)...
March 6, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28263662/illness-experience-self-determination-and-recreational-activities-in-pediatric-asthma
#5
Peter M Bingham, Ian Crane, Sarah Waterman Manning
Although asthma self-management depends on ongoing and accurate self-assessment by the patient, pediatric asthma patients have weak skills in the area of symptom perception. Before developing an asthma game targeted to improving asthma self-management and improved symptom awareness, we sought to identify gaps in existing games. To clarify the role of relatedness and autonomy in asthma health game design, we investigated symptom awareness, vocabulary, and self-determination through a series of semi-structured interviews with children suffering from asthma...
March 6, 2017: Games for Health
https://www.readbyqxmd.com/read/28246308/use-of-cough-peak-flow-measured-by-a-ventilator-to-predict-re-intubation-when-a-spirometer-is-unavailable
#6
Bai Linfu, Jun Duan
BACKGROUND: A ventilator includes the function to measure flow velocity. We aimed to compare the predictive accuracy for re-intubation diagnosed by cough peak flow (CPF) measured by a spirometer and a ventilator. METHODS: Endotracheally intubated subjects who passed a spontaneous breathing trial were enrolled. Before extubation, CPF was measured by a spirometer and a ventilator, respectively. Re-intubation was recorded at 72 h after extubation. RESULTS: A total of 126 subjects were enrolled...
February 28, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28227330/changes-in-inhaler-inhalation-acoustic-features-during-induced-bronchoconstriction-a-pilot-study
#7
Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello, Richard B Reilly, Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello, Richard B Reilly, Richard B Reilly, Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello
Asthma is a chronic respiratory disease affecting millions of people worldwide, and is consequently a major issue for global health. Exacerbations are acute events involving the worsening of asthma's primary respiratory symptoms and are a major cause of morbidity in asthma patients, largely due to the unpredictability of their onset. This study aimed to investigate the relationship between changes in acoustic features of inhaler inhalations and changes in forced expiratory volume in one second (FEV1) that occur during a simulated exacerbation, a bronchial challenge test (BCT)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223945/toward-respiratory-assessment-using-depth-measurements-from-a-time-of-flight-sensor
#8
Charles Sharp, Vahid Soleimani, Sion Hannuna, Massimo Camplani, Dima Damen, Jason Viner, Majid Mirmehdi, James W Dodd
Introduction: There is increasing interest in technologies that may enable remote monitoring of respiratory disease. Traditional methods for assessing respiratory function such as spirometry can be expensive and require specialist training to perform and interpret. Remote, non-contact tracking of chest wall movement has been explored in the past using structured light, accelerometers and impedance pneumography, but these have often been costly and clinical utility remains to be defined. We present data from a 3-Dimensional time-of-flight camera (found in gaming consoles) used to estimate chest volume during routine spirometry maneuvres...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28202124/-effect-of-heat-shock-factor-1-on-airway-hyperresponsiveness-and-airway-inflammation-in-mice-with-allergic-asthma
#9
Jing Wang, Li-Hong Xin, Wei Cheng, Zhen Wang, Wen Zhang
OBJECTIVE: To investigate the effect of heat shock factor 1 (HSF1) on airway hyperresponsiveness and airway inflammation in mice with asthma and possible mechanisms. METHODS: A total of 36 mice were randomly divided into four groups: control, asthma, HSF1 small interfering RNA negative control (siHSF1-NC), and siHSF1 intervention (n=9 each). Ovalbumin (OVA) sensitization and challenge were performed to induce asthma in the latter three groups. The mice in the siHSF1-NC and siHSF1 groups were treated with siHSF1-NC and siHSF1, respectively...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28153815/clinical-evaluation-of-the-measurement-performance-of-the-philips-health-watch-a-within-person-comparative-study
#10
Jos Hendrikx, Loes S Ruijs, Lieke Ge Cox, Paul Mc Lemmens, Erik Gp Schuijers, Annelies Hc Goris
BACKGROUND: Physical inactivity is an important modifiable risk factor for chronic diseases. A new wrist-worn heart rate and activity monitor has been developed for unobtrusive data collection to aid prevention and management of lifestyle-related chronic diseases by means of behavioral change programs. OBJECTIVE: The objective of the study was to evaluate the performance of total energy expenditure and resting heart rate measures of the Philips health watch. Secondary objectives included the assessment of accuracy of other output parameters of the monitor: heart rate, respiration rate at rest, step count, and activity type recognition...
February 2, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28144595/extraction-of-respiratory-signal-based-on-image-clustering-and-intensity-parameters-at-radiotherapy-with-external-beam-a-comparative-study
#11
P Samadi Miandoab, A Esmaili Torshabi, S Nankali
BACKGROUND: Since tumors located in thorax region of body mainly move due to respiration, in the modern radiotherapy, there have been many attempts such as; external markers, strain gage and spirometer represent for monitoring patients' breathing signal. With the advent of fluoroscopy technique, indirect methods were proposed as an alternative approach to extract patients' breathing signals. MATERIALS AND METHODS: The purpose of this study is to extract respiratory signals using two available methods based on clustering and intensity strategies on medical image dataset of XCAT phantom...
December 2016: Journal of Biomedical Physics & Engineering
https://www.readbyqxmd.com/read/28138178/validation-of-respiratory-questionnaire-for-lung-function-assessment-among-an-occupational-group-of-textile-workers-in-pakistan
#12
Tanzil Jamali, Asaad Ahmed Nafees
OBJECTIVE: To determine the association of spirometric lung pattern with respiratory symptoms and to validate the American Thoracic Society respiratory questionnaire for lung function assessment among textile workers. METHODS: This cross-sectional survey was conducted from August to December 2009 among adult textile workers of Karachi. Data was collected through the American Thoracic Society Division of Lung Disease respiratory questionnaire and the lung function was assessed by using a spirometer...
February 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28100228/association-of-stem-cell-factor-gene-expression-with-severity-and-atopic-state-in-patients-with-bronchial-asthma
#13
Safaa I Tayel, Sally M El-Hefnway, Eman M Abd El Gayed, Gehan A Abdelaal
BACKGROUND: Bronchial asthma is a chronic inflammatory and remodeling disorder of the airways, in which many cells, cellular elements, and cytokines play important roles. Stem cell factor (SCF) may contribute to the inflammatory changes occurring in asthma. We aimed to show the expression of SCF gene in patients with asthma as a means of diagnosis and its association with severity and atopic state in these patients. METHODS: This study was carried out on 80 subjects, 50 asthmatic patients and 30 age and gender matched healthy control persons...
January 18, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28100202/a-novel-reflex-cough-testing-device
#14
Kazunori Fujiwara, Katsuyuki Kawamoto, Yoko Shimizu, Takahiro Fukuhara, Satoshi Koyama, Hideyuki Kataoka, Hiroya Kitano, Hiromi Takeuchi
BACKGROUND: The reflex cough test is useful for detecting silent aspiration, a risk factor for aspiration pneumonia. However, assessing the risk of aspiration pneumonia requires measuring not only the cough reflex but also cough strength. Currently, no reflex cough testing device is available that can directly measure reflex cough strength. We therefore developed a new testing device that can easily and simultaneously measure cough strength and the time until the cough reflex, and verified whether screening with this new instrument is feasible for evaluating the risk of aspiration pneumonia...
January 18, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28092910/effects-of-in-utero-and-postnatal-exposure-to-secondhand-smoke-on-lung-function-by-gender-and-asthma-status-the-seven-northeastern-cities-snec-study
#15
Li-Wen Hu, Mo Yang, Shu Chen, Kuntal Shah, Yismaw Hailegiorgis, Richai Burgens, Michael Vaughn, Jin Huang, Pamela Xaverius, Gunther Paul, Lidia Morawska, Tao Lu, Shao Lin, Shou-Qiang Zhong, Min-Li Kong, Yan-Qi Xie, Yuan-Tao Hao, Xiao-Wen Zeng, Zhengmin Qian, Guang-Hui Dong
BACKGROUND: Little information exists on whether gender or asthma status modifies the effects of secondhand smoke (SHS) exposure on lung function. OBJECTIVE: To evaluate whether gender or asthma status modifies the association of SHS exposure with lung function. METHODS: A total of 6,740 children (average 11.6 years) were recruited from 24 districts of 7 cities in northeast China in 2012. SHS exposure included exposure to environmental and maternal smoking both in utero and during early childhood (postnatal)...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28053844/time-varying-changes-in-pulmonary-function-with-exposure-to-prolonged-sitting
#16
Kyung Woo Kang, Sung Min Son, Yu Min Ko
OBJECTIVES: The purpose of this study was to quantify the time-varying changes in pulmonary function with exposure to prolonged sitting. METHODS: Twenty-one healthy volunteers were recruited. The pulmonary function of all participants was measured three times in order to assess changes over time; pulmonary function was measured before sitting, after participants had been seated for 1 hour, and after they had been seated for 2 hours. A spirometer was used to measure pulmonary function...
December 2016: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28052294/comparison-of-three-screening-questionnaires-for-chronic-obstructive-pulmonary-disease-in-the-primary-care
#17
Dionisios Spyratos, Anna-Bettina Haidich, Diamantis Chloros, Dionisia Michalopoulou, Lazaros Sichletidis
BACKGROUND: Even though the diagnosis of chronic obstructive pulmonary disease (COPD) is easy and based mainly on spirometry and symptoms, the prevalence of underdiagnosis is extremely high. The use of simple screening tools (e.g., questionnaires, hand-held spirometers) has been proved to be a simple method for case finding of COPD. Nevertheless the most appropriate target group of the general population has not been specified yet. OBJECTIVES: The aim of the present study was to compare 3 screening questionnaires among smokers aged >40 years in the primary care setting...
2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28047708/th-cd-207a-05-lung-surface-deformation-vector-fields-prediction-by-monitoring-respiratory-surrogate-signals
#18
J Nasehi Tehrani, A McEwan, J Wang
PURPOSE: In this study, we developed and evaluated a method for predicting lung surface deformation vector fields (SDVFs) based on surrogate signals such as chest and abdomen motion at selected locations and spirometry measurements. METHODS: A Patient-specific 3D triangular surface mesh of the lung region at end-expiration (EE) phase was obtained by threshold-based segmentation method. For each patient, a spirometer recorded the flow volume changes of the lungs; and 192 selected points at a regular spacing of 2cm X 2cm matrix points over a total area of 34cm X 24cm on the surface of chest and abdomen was used to detect chest wall motions...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28028188/feasibility-of-a-respiratory-movement-evaluation-tool-to-quantify-thoracoabdominal-movement-for-neuromuscular-diseases
#19
Fumio Liu, Michiyuki Kawakami, Kimimasa Tamura, Yoshihito Taki, Katsumi Shimizu, Tomoyoshi Otsuka, Tetsuya Tsuji, Chieko Miyata, Syoichi Tashiro, Ayako Wada, Katsuhiro Mizuno, Yoshimitsu Aoki, Meigen Liu
BACKGROUND: An objective method to evaluate thoracoabdominal movement is needed in daily clinical practice to detect patients at risk of hypoventilation and to allow for timely interventions in neuromuscular diseases. The clinical feasibility, reliability, and validity of a newly developed method for quantifying respiratory movement using fiber grating sensors, called the Respiratory Movement Evaluation Tool (RMET), was evaluated. METHODS: The time needed to measure respiratory movement and the usability of the measurement were determined by 5 clinicians using the Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST) 2...
December 27, 2016: Respiratory Care
https://www.readbyqxmd.com/read/28025374/effect-of-local-anesthetic-concentration-0-2-vs-0-1-ropivacaine-on-pulmonary-function-and-analgesia-after-ultrasound-guided-interscalene-brachial-plexus-block-a-randomized-controlled-study
#20
Andrew K Wong, Lauren Georgiades Keeney, Liting Chen, Rebekah Williams, Jiabin Liu, Nabil M Elkassabany
OBJECTIVE: This study aims to assess diaphragmatic excursion and measure pulmonary functions as measures of the degree to which the phrenic nerve is blocked after ISB with two different concentrations of ropivacaine: 0.2% and 0.1%. DESIGN: Randomized, double-blinded study. SETTING AND PATIENTS: Ambulatory surgical facility. SUBJECTS: Fifty patients undergoing shoulder arthroscopy for rotator cuff repair. METHODS: Patients were randomized to receive ultrasound-guided ISB with 20 mL of either 0...
December 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
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